Optical switching apparatus for use in an optical communication

Details Optical switching apparatus for use in an optical communication Optical switching apparatus for use in an optical communication

1999-07-22

2000-07-25

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359298, 359318, 359320, 359324, 385 31, 385 42, 385 47, G02F 109

Patent

active

060942932

ABSTRACT:
An optical switch includes a light emitter for emitting light and light receivers. A reflector is used for changing a path of light emitted from the light emitter. The reflector is held by a permanent magnet having first and second magnetic poles of opposite polarities. A supporting member is provided for the reflector and the first permanent magnet so that the reflector and the first permanent magnet can move between a first position and a second position. In the first position, the reflector and the first permanent magnet interact so the emitted light travels into one light receiver of the light receivers. On the other hand, in the second position, the reflector and the first permanent magnet interact so the emitted light travels into another of the light receivers. The switch further includes an electromagnet for generating first and second magnetic fields selectively for moving the reflector and the first permanent magnet between the first and second positions.

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Mohr, "MOEMS Fabricated By The LIGA Technique--An Overview", MOEMS 97 Technical Digest, Nov. 1997, pp. 221-259.

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